<template>
  <div style="margin: 30px 20px">
    <
    <el-steps :active="active" finish-status="success">
      <el-step title="验证电子邮箱"></el-step>
      <el-step title="重新设置密码"></el-step>
    </el-steps>
  </div>
  <transition name="el-fade-in-linear" mode="out-in">
    <div style="text-align: center;margin: 0 20px;height: 100%" v-if="active === 0">
      <div style="margin-top: 80px">
        <div style="font-size: 25px;font-weight: bold">重置密码</div>
        <div style="font-size: 14px;color: grey">请填写需要重置密码的电子邮件地址</div>
      </div>
      <div style="margin-top: 50px">
        <el-form :model="form" :rules="rules" @validate="onValidate" ref="formRef">
          <el-form-item prop="email">
            <el-input v-model="form.email" type="email" placeholder="电子邮件地址">
              <template #prefix>
                <el-icon>
                  <Message/>
                </el-icon>
              </template>
            </el-input>
          </el-form-item>
          <el-form-item prop="code">
            <el-row :gutter="10" style="width: 100%">
              <el-col :span="17">
                <el-input v-model="form.code" :maxlength="6" type="text" placeholder="请输入验证码">
                  <template #prefix>
                    <el-icon>
                      <EditPen/>
                    </el-icon>
                  </template>
                </el-input>
              </el-col>
              <el-col :span="5">
                <el-button type="success" @click="validateEmail"
                           :disabled="!isEmailValid || coldTime > 0">
                  {{ coldTime > 0 ? '请稍后 ' + coldTime + ' 秒' : '获取验证码' }}
                </el-button>
              </el-col>
            </el-row>
          </el-form-item>
        </el-form>
      </div>
      <div style="margin-top: 70px">
        <el-button @click="confirmReset()" style="width: 270px;" type="danger" plain>开始重置密码</el-button>
      </div>
    </div>
  </transition>
  <transition name="el-fade-in-linear" mode="out-in">
    <div style="text-align: center;margin: 0 20px;height: 100%" v-if="active === 1">
      <div style="margin-top: 80px">
        <div style="font-size: 25px;font-weight: bold">重置密码</div>
        <div style="font-size: 14px;color: grey">请填写您的新密码，务必牢记，防止丢失</div>
      </div>
      <div style="margin-top: 50px">
        <el-form :model="form" :rules="rules" @validate="onValidate" ref="formRef">
          <el-form-item prop="password">
            <el-input v-model="form.password" :maxlength="16" type="password" placeholder="新密码">
              <template #prefix>
                <el-icon>
                  <Lock/>
                </el-icon>
              </template>
            </el-input>
          </el-form-item>
          <el-form-item prop="password_repeat">
            <el-input v-model="form.password_repeat" :maxlength="16" type="password" placeholder="重复新密码">
              <template #prefix>
                <el-icon>
                  <Lock/>
                </el-icon>
              </template>
            </el-input>
          </el-form-item>
        </el-form>
      </div>
      <div style="margin-top: 70px">
        <el-button @click="doReset()" style="width: 270px;" type="danger" plain>立即重置密码</el-button>
      </div>
    </div>
  </transition>
</template>

<script setup>
import {reactive, ref} from 'vue'
import {EditPen, Lock, Message} from "@element-plus/icons-vue";
import {get, post} from "@/net/index.js";
import {ElMessage} from "element-plus";
import router from "@/router/index.js";


const active = ref(0)

const from = reactive({
  emial: '',
  code: '',
  password: '',
  password_repeat: '',
})

const validatePassword = (rule, value, callback) => {
  if (value === '') {
    callback(new Error('请再次输入密码'))
  } else if (value !== form.password) {
    callback(new Error('两次输入的密码不一致'))
  } else {
    callback()
  }

}

const rules = {
  email: [
    {required: true, message: '请输入邮箱地址', trigger: 'blur'},
    {type: 'email', message: '请输入正确的电子邮箱地址', trigger: ['blur', 'change']}
  ],
  code: [
    {required: true, message: '请输入获取的验证码', trigger: 'blur'},
  ],
  password: [
    {required: true, message: '请填写密码', trigger: 'blur'},
    {min: 6, max: 16, message: '密码长度必须再6-16个字符之间', trigger: 'blur'}
  ],
  password_repeat:[
    {validator:validatePassword,trigger:['blur','change']},
  ],
}

const formRef=ref()
const isEmailValid=ref(false)
const coldTime=ref(0)

const onValidate=(prop,isValid)=>{
  if (prop==='email')
    isEmailValid.value=isValid
}

const validateEmail=()=>{
  coldTime.value=60
  get('api/auth/ask_code?email=${form.email}$type=reset',()=>{
    ElMessage.success('验证码已发送邮箱:${form.email},请注意查收')
    const handle=setInterval(()=>{
      coldTime.value--
      if (coldTime.value===0){
        clearInterval(handle)
      }
    },1000)

  },(message)=>{
    ElMessage.warning(message)
    coldTime.value=0
  })
}

const confirmReset=()=>{
  formRef.value.validate((isValid)=>{
    if (isValid){
      post('/api/auth/reset-confirm',{
        email: form.email,
        code: form.code,
      },()=>
        active.value++
      )

    }

  })
}

const doReset=()=>{
  formRef.value.validate((isValid)=>{
    if (isValid){
      post('/api/auth/reset-password',{
        email: form.email,
        code: form.code,
        password: form.password
      },()=>{
        ElMessage.success('密码重置成功,请重新登录')
        router.push('/')
      })
    }
  })
}


</script>

<style scoped>

</style>